10 Feb 1943HMS Severn (Lt.Cdr. A.N.G. Campbell, RN) departed Portsmouth for Holy Loch. She was to make rendez-vous the next morning with HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN) and the US submarines USS Herring (Lt.Cdr. R.W. Johnson, USN) and USS Shad (Lt.Cdr. E.J. MacGregor III). During the passage from Portsmouth to the rendez-vous position HMS Severn was escorted by the Free French submarine chasers Chasseur 11 and Chasseur 15. (1)

9 Aug 1943After Herring had made 5 war patrols out of Britain, she returned to the United States on 26 July 1943. She departed New London for the Pacific on 9 August 1943.

31 May 1944USS Herring (Lt.Cdr. D. Zabriskie, Jr.) and USS Barb rendezvous in Sea of Okhotsk some 150 miles west of Matsuwa Island, Kurils, to plan operations against Japanese shipping in the vicinity.

Later that day Herring attacked a convoy sinking the Japanese frigate Ishigaki (860 tons, offsite link) and the Japanese army cargo ship Hokuyo Maru (1590 GRT) west of Matsuwa Island in position 48°00'N, 153°00'E.

1 Jun 1944USS Herring (Lt.Cdr. D. Zabriskie, Jr.) torpedoed and sank the Japanese troop transport Iwaki Maru (3124 GRT) and the Japanese merchant cargo ship Hiburi Maru (4366 GRT) off Matsuwa Island in position 48°00'N, 153°00'E. Unfortunately Herring is sunk by a Japanese shore battery after this attack.